Description
The digital tube shows the gears of vibration, sound and sensitivity . 1-7 gears adjustable sensitivity ,you can choose different stimulus for the different sizes dogs 0-7 gears you can choose to adjust the vibration, when the vibration gear is 0, the product does not vibrate. 0-7 gears you can choose to adjust the sound, when 0 gear is chosen, the product will remain silent. 1st gear will bring 0.5-second-long sound. 7th gear is the highest level, which will make a 3.5-second-long sound. Lightw
